<template>
  <div class="mod-config">
    <el-form :inline="true" :model="dataForm" @keyup.enter.native="getDataList()">
      <el-form-item>
        <el-input v-model="dataForm.studentId" placeholder="请输入学号" clearable></el-input>
      </el-form-item>

      <el-form-item>
        <el-button @click="getDataList()">查询</el-button>
<!--        <el-button v-if="isAuth('eascourse:scores:save')" type="primary" @click="addOrUpdateHandle()">新增</el-button>-->
        <el-button v-if="isAuth('eascourse:scores:delete')" type="danger" @click="deleteHandle()" :disabled="dataListSelections.length <= 0">批量删除</el-button>
      </el-form-item>
    </el-form>
    <el-table
      :data="dataList"
      v-loading="dataListLoading"
      @selection-change="selectionChangeHandle"
      style="width: 100%;">
      <el-table-column width='30' type="expand">
        <template slot-scope="props">
          <el-form label-position="left" inline class="demo-table-expand">
            <el-form-item label="主键id">
              <span>{{ props.row.id }}</span>
            </el-form-item>
            <el-form-item label="课程编号">
              <span>{{ props.row.course.courseCode }}</span>
            </el-form-item>
            <el-form-item label="课程">
              <span>{{ props.row.studentName }}</span>
            </el-form-item>
            <el-form-item label="学号">
              <span>{{ props.row.studentId }}</span>
            </el-form-item>
            <el-form-item label="学生">
              <span>{{ props.row.courseName }}</span>
            </el-form-item>
            <el-form-item label="成绩">
              <span>{{ props.row.scores }}</span>
            </el-form-item>
            <el-form-item label="学分绩点">
              <span>{{ props.row.credits }}</span>
            </el-form-item>
            <el-form-item label="课时">
              <span>{{ props.row.classHour }}</span>
            </el-form-item>

          </el-form>
        </template>
      </el-table-column>
      <el-table-column
        type="selection"
        header-align="center"
        align="center"
        width="50">
      </el-table-column>
      <el-table-column
        prop="courseName"
        header-align="center"
        align="center"
        label="课程">
      </el-table-column>
      <el-table-column
        prop="studentName"
        header-align="center"
        align="center"
        label="学生">
      </el-table-column>
      <el-table-column
        prop="scores"
        header-align="center"
        align="center"
        label="成绩">
      </el-table-column>
      <el-table-column
        prop="credits"
        header-align="center"
        align="center"
        label="学分绩点">
      </el-table-column>

      <el-table-column
        fixed="right"
        header-align="center"
        align="center"
        width="150"
        label="操作">
        <template slot-scope="scope">
          <el-button type="text" size="small" @click="addOrUpdateHandle(scope.row.studentId,scope.row.courseId)">修改</el-button>
          <el-button type="text" size="small" @click="deleteHandle(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <el-pagination
      @size-change="sizeChangeHandle"
      @current-change="currentChangeHandle"
      :current-page="pageIndex"
      :page-sizes="[10, 20, 50, 100]"
      :page-size="pageSize"
      :total="totalPage"
      layout="total, sizes, prev, pager, next, jumper">
    </el-pagination>
    <!-- 弹窗, 新增 / 修改 -->
    <add-or-update v-if="addOrUpdateVisible" ref="addOrUpdate" @refreshDataList="getDataList"></add-or-update>
  </div>
</template>

<script>
  import { scoresApi } from '@/api/course'
import AddOrUpdate from './scores-add-or-update'
  export default {
    data () {
      return {
        dataForm: {
          studentId: ''
        },
        dataList: [],
        pageIndex: 1,
        pageSize: 10,
        totalPage: 0,
        dataListLoading: false,
        dataListSelections: [],
        addOrUpdateVisible: false
      }
    },
    components: {
      AddOrUpdate
    },
    mounted (){
      this.getDataList()
    },
    methods: {
      // 获取数据列表
      getDataList () {
        this.dataListLoading = true
        let data ={
            'page': this.pageIndex,
            'limit': this.pageSize,
            'studentId': this.dataForm.studentId
          }
        scoresApi.listScores(data)
        .then(({page}) => {

          this.dataListLoading=false
          this.dataList = page.list
          this.totalPage = page.totalCount

          this.dataListLoading = false
        })
      },
      // 每页数
      sizeChangeHandle (val) {
        this.pageSize = val
        this.pageIndex = 1
        this.getDataList()
      },
      // 当前页
      currentChangeHandle (val) {
        this.pageIndex = val
        this.getDataList()
      },
      // 多选
      selectionChangeHandle (val) {
        this.dataListSelections = val
      },
      // 新增 / 修改
      addOrUpdateHandle (sid,courseId) {
        this.addOrUpdateVisible = true
        this.$nextTick(() => {
          this.$refs.addOrUpdate.init(sid,courseId)
        })
      },
      // 删除
      deleteHandle (id) {
        var ids = id ? [id] : this.dataListSelections.map(item => {
          return item.id
        })
        this.$confirm(`确定对[id=${ids.join(',')}]进行[${id ? '删除' : '批量删除'}]操作?`, '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          scoresApi.deleteScores(ids).then(()=>{
            this.$message({
                message: '操作成功',
                type: 'success',
                duration: 1500,
                onClose: () => {
                  this.getDataList()
                }
              })
          })
        })
      }
    }
  }
</script>
